Former Newton Mayor Setti Warren Dies Suddenly at 55

Setti Warren, a prominent public servant and former Mayor of Newton, Massachusetts, passed away suddenly at his home on Sunday, November 2, 2025, at the age of 55. His death was unexpected, and a cause has not yet been publicly confirmed by officials. Warren was widely recognized for his extensive career in public service, including his recent role as Director of Harvard University's Institute of Politics.

Former U.S. Representative Joe Kennedy III expressed profound grief on social media, stating, > "Setti Warren was a dear friend, a devoted father and husband, and an extraordinary public servant. He strove to make the burdens others carried a little lighter and life’s sharp edges a little softer. We are better for his service and his example." Kennedy also extended his condolences to Warren's family, adding, "Lauren and I send our love and prayers to Tassy, Abigail, and John. We will miss you, my friend."

Warren made history as the first popularly elected African American mayor in Massachusetts, serving two terms in Newton from 2010 to 2018. During his tenure, he focused on strengthening public education, fostering economic development, and implementing sustainable urban planning initiatives. Prior to his mayoral role, Warren held positions in the Clinton White House, served as New England director for FEMA, and completed a tour of duty in Iraq as a Naval intelligence officer.

Most recently, Warren led Harvard's Institute of Politics, where he was celebrated for his visionary leadership and dedication to mentoring students. Harvard Kennedy School Dean Jeremy M. Weinstein and Harvard College Dean David J. Deming noted that "Setti was a beloved member of our community, and we are devastated by this heartbreaking news." They further emphasized his commitment to fostering debate and engagement on critical issues.

His passing has prompted an outpouring of tributes from political figures across Massachusetts, who remembered him as a dedicated leader and mentor. Warren is survived by his wife, Tassy, and their two children, Abigail and John. The community awaits further details regarding memorial services and the circumstances surrounding his sudden death.